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Finding the Fourth Proportional to 12,092.12, 16,688.96 and 7,379.14

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Solution

The fourth proportional to 12,092.12, 16,688.96 and 7,379.14 is: 10,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.12 : 16,688.96 = 7,379.14 : x
  2. Step 2: Convert to fraction form
    12,092.12/16,688.96 = 7,379.14/x
  3. Step 3: Cross multiply
    12,092.12x = 16,688.96 × 7,379.14
  4. Step 4: Simplify right side
    12,092.12x = 123,150,172.29
  5. Step 5: Solve for x
    x = 123,150,172.29/12,092.12
  6. Step 6: Final answer
    x = 10,184.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.